Home / 219,270.24-328,902.84-69,510.36

Finding the Fourth Proportional to 219,270.24, 328,902.84 and 69,510.36

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Solution

The fourth proportional to 219,270.24, 328,902.84 and 69,510.36 is: 104,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,270.24 : 328,902.84 = 69,510.36 : x
  2. Step 2: Convert to fraction form
    219,270.24/328,902.84 = 69,510.36/x
  3. Step 3: Cross multiply
    219,270.24x = 328,902.84 × 69,510.36
  4. Step 4: Simplify right side
    219,270.24x = 22,862,154,813.42
  5. Step 5: Solve for x
    x = 22,862,154,813.42/219,270.24
  6. Step 6: Final answer
    x = 104,264.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.